Datasheet

Pinouts and pin description STM32F031x4 STM32F031x6
28/106 DocID025743 Rev 6
17 13 13 13 E4 13 PA7 I/O TTa -
SPI1_MOSI,
I2S1_SD,
TIM3_CH2,
TIM14_CH1,
TIM1_CH1N,
TIM17_CH1,
EVENTOUT
ADC_IN7
18 14 14 14 E3 - PB0 I/O TTa -
TIM3_CH3,
TIM1_CH2N,
EVENTOUT
ADC_IN8
19 15 15 15 E2 14 PB1 I/O TTa -
TIM3_CH4,
TIM14_CH1,
TIM1_CH3N
ADC_IN9
20 - 16 - - - PB2 I/O FT
(4)
--
21----- PB10 I/OFTf -
TIM2_CH3,
I2C1_SCL
-
22----- PB11 I/OFTf-
TIM2_CH4,
EVENTOUT,
I2C1_SDA
-
23 16 0 16 E1 15 VSS S - - Ground
24 17 17 17 D1 16 VDD S - - Digital power supply
25----- PB12 I/OFT -
TIM1_BKIN,
EVENTOUT,
SPI1_NSS
-
26----- PB13 I/OFT -
TIM1_CH1N,
SPI1_SCK
-
27----- PB14 I/OFT -
TIM1_CH2N,
SPI1_MISO
-
28----- PB15 I/OFT -
TIM1_CH3N,
SPI1_MOSI
RTC_REFIN
29 18 18 18 D2 - PA8 I/O FT -
USART1_CK,
TIM1_CH1,
EVENTOUT,
MCO
-
Table 11. Pin definitions (continued)
Pin number
Pin name
(function upon
reset)
Pin type
I/O structure
Notes
Pin functions
LQFP48 LQFP32
UFQFPN32 UFQFPN28
WLCSP25
TSSOP20
Alternate functions
Additional
functions
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